CN110284363A - High surface strength high waterproof sizing agent and preparation method thereof - Google Patents
High surface strength high waterproof sizing agent and preparation method thereof Download PDFInfo
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- CN110284363A CN110284363A CN201910366228.5A CN201910366228A CN110284363A CN 110284363 A CN110284363 A CN 110284363A CN 201910366228 A CN201910366228 A CN 201910366228A CN 110284363 A CN110284363 A CN 110284363A
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- sizing agent
- surface strength
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
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Abstract
The present invention provides high surface strength high waterproof sizing agents, including following weight ratio ingredient, TPU is 8-11 parts, phenolic resin is 2-4 parts, styrene is 1-3 parts, ditridecyl phthalate is 7-14 parts, stearyl alcohol is 5-8 parts, tetradecyl methylacrylate is 3-7 parts, diethylene glycol monolaurate is 4-6 parts, 145-170 parts of deionized water.The present invention is suitable for improving the sizing agent of surface strength of paper and water-resistance.
Description
Technical field
The invention belongs to paper manufacturing technology field more particularly to a kind of high surface strength high waterproof sizing agent and its systems
Preparation Method.
Background technique
In papermaking process, sizing operation can assign paper Water-proof and oil-proof, erosion-resisting characteristic, while can also mention
The smoothness of high paper.Other than a small number of paper kinds, most of paper requires certain lyophoby performance.And as paper
Natural material cellulose itself is the good substance of hydrophily, the capillarity furthermore constituted between the fibers, paper
Imbibition, water sorption can be generated.In order to inhibit paper caused by this water imbibition being made of the hydrophily of fiber and paper close
Fluidity energy usually adds certain a certain amount of sizing agent in paper raw material.
Paraffin is dispersed in paper surface by surfactant by existing paraffin wax sizing agent, improves the performance of paper,
Paraffin, methyl dioleate, the dissolution of two mono laurate rouge agitating and heating of diethylester are taken in the preparation process of paraffin wax sizing agent,
By sodium alginate and oxidized starch deionization stirring and dissolving after heating, two kinds of solution mixing add polyvinyl alcohol stirring, cut
Cut processing.Although existing manufacturing method can improve the surface strength of paper, paper is easy cataclasm, toughness is by shadow
It rings.
Summary of the invention
In view of the problems of the above-mentioned prior art, the object of the present invention is to provide a kind of high surface strength high waterproofs to apply
Jelly and preparation method thereof.The present invention is achieved through the following technical solutions above-mentioned purpose:
High surface strength high waterproof sizing agent, including following weight ratio ingredient, TPU is 8-11 parts, phenolic resin 2-4
Part, styrene are 1-3 parts, ditridecyl phthalate is 7-14 parts, stearyl alcohol is 5-8 parts, tetradecyl methylacrylate 3-7
Part, diethylene glycol monolaurate are 4-6 parts, 145-170 parts of deionized water.
Specifically, the TPU includes '-diphenylmethane diisocyanate, toluene di-isocyanate(TDI) and macromolecular polyol and expansion
The common reactive polymeric of chain agent forms.
The preparation method of high surface strength high waterproof sizing agent includes the following steps: that high surface strength high waterproof is applied
It is prepared by each component weight ratio range of jelly,
S1 takes TPU, phenolic resin, styrene, ditridecyl phthalate to be in proportion added in reaction kettle, temperature control
At 80-100 DEG C, sufficient mechanical stirring is carried out, stirs 20-40min, is stirred to uniformly mixed；
S2 takes stearyl alcohol, tetradecyl methylacrylate, deionized water in proportion, is carried out using mechanical stirring sufficiently anti-
It answers, stirs 20-30min；
S3, takes diethylene glycol monolaurate in proportion, is sufficiently reacted using mechanical stirring, and 1-2h is stirred；
S4, the sizing agent for preparing completion are slowly cooled to room temperature.
Specifically, the TPU being added in the preparation process is 9 parts.
Specifically, the ditridecyl phthalate being added in the preparation process is 7 parts.
Specifically, the stearyl alcohol being added in the preparation process is 5 parts.
Compared with prior art, the beneficial effects of the present invention are:
TPU and raw material of the ditridecyl phthalate as sizing agent, increase the adhesive ability of sizing agent, make in preparation method
Material paper not easily to fall off is obtained, to reach high waterproof；TPU, phenolic resin, styrene, ditridecyl phthalate are made jointly
With so that the cementitiousness of sizing agent improves, the film-formation result of paper is good, guarantees have while sizing agent has waterproof performance
High surface strength, paper internal layer are not easy cataclasm, good-toughness；Add the stearyl alcohol of certain number, tetradecyl methylacrylate,
The common mating reaction of diethylene glycol monolaurate makes sizing agent have excellent compressive property.
Specific embodiment
Below just in conjunction with the embodiments, the embodiment of the present invention is described in further detail, so that the technology of the present invention
Scheme is more readily understood, grasps, but the present invention is not limited thereto.Experimental method described in following embodiments, such as without special theory
It is bright, it is conventional method；The reagent and material commercially obtain unless otherwise specified.
Embodiment 1:
The preparation method of high surface strength high waterproof sizing agent, includes the following steps:
S1 takes thermoplastic polyurethane elastomer rubber (TPU) 8kg, phenolic resin 4kg, styrene 1kg, phthalic acid
Diester 14kg is added in reaction kettle, and temperature is controlled at 80 DEG C, carries out sufficient mechanical stirring, stirs 40min, and stirring extremely mixes
Uniformly；
Wherein, TPU includes that '-diphenylmethane diisocyanate, toluene di-isocyanate(TDI) and macromolecular polyol and chain extender are total
It is formed with reactive polymeric.
S2 takes stearyl alcohol 5kg, tetradecyl methylacrylate 7kg, deionized water 145kg, is carried out using mechanical stirring abundant
20min is stirred in reaction；
S3 is taken diethylene glycol monolaurate 4kg in proportion, is sufficiently reacted using mechanical stirring, and 2h is stirred；
S4, the sizing agent for preparing completion are slowly cooled to room temperature.
The content of the fixed body of the sizing agent of preparation is 11.3wt%.
Embodiment 2:
The preparation method of high surface strength high waterproof sizing agent, includes the following steps:
S1 takes thermoplastic polyurethane elastomer rubber (TPU) 11kg, phenolic resin 2kg, styrene 3kg, phthalic acid
Diester 7kg is added in reaction kettle, and temperature is controlled at 100 DEG C, carries out sufficient mechanical stirring, stirs 20min, and stirring extremely mixes
Uniformly；
Wherein, TPU includes that '-diphenylmethane diisocyanate, toluene di-isocyanate(TDI) and macromolecular polyol and chain extender are total
It is formed with reactive polymeric.
S2 takes stearyl alcohol 8kg, tetradecyl methylacrylate 3kg, deionized water 170kg, is carried out using mechanical stirring abundant
30min is stirred in reaction；
S3 is taken diethylene glycol monolaurate 6kg in proportion, is sufficiently reacted using mechanical stirring, and 1h is stirred；
S4, the sizing agent for preparing completion are slowly cooled to room temperature.
The content of the fixed body of the sizing agent of preparation is 16.4wt%.
Embodiment 3:
The preparation method of high surface strength high waterproof sizing agent, includes the following steps:
S1 takes thermoplastic polyurethane elastomer rubber (TPU) 9kg, phenolic resin 3kg, styrene 2kg, phthalic acid
Diester 10kg is added in reaction kettle, and temperature is controlled at 90 DEG C, carries out sufficient mechanical stirring, stirs 30min, and stirring extremely mixes
Uniformly；
Wherein, TPU includes that '-diphenylmethane diisocyanate, toluene di-isocyanate(TDI) and macromolecular polyol and chain extender are total
It is formed with reactive polymeric.
S2 takes stearyl alcohol 7kg, tetradecyl methylacrylate 5kg, deionized water 157kg, is carried out using mechanical stirring abundant
25min is stirred in reaction；
S3 is taken diethylene glycol monolaurate 5kg in proportion, is sufficiently reacted using mechanical stirring, and 1.5h is stirred；
S4, the sizing agent for preparing completion are slowly cooled to room temperature.
The content of the fixed body of the sizing agent of preparation is 13.5wt%.
Comparative example 1:
The printing paper card for the sizing agent being not added in above-described embodiment 1-3 is taken to be immersed in the water.
The sizing agent of Example 1-3 is diluted with water to 10wt% solution, takes with the printing paper card difference comparative example 1
It immerses into the test solution of embodiment 1-3, using COBB method of testing, printing paper card area is 100cm2, test solution temperature
It is 22-24 DEG C, test solution deep is 1cm, weighs 10kg printing paper card and test solution contact 60s, removal test solution, drip
Dry printing paper card, the absorption weight for weighing printing paper card is degree of sizing.Degree of sizing is using the measurement for printing paper card two sided
Average value avoids being influenced by two sides difference.Anti-tensile is carried out to the printing paper card after measurement degree of sizing using tensile strength tester
Strength test, as shown in table 1:
Table 1:
By upper table Experimental comparison, after embodiment 1-3 carries out the submergence of sizing agent, the water absorption of paper, which is significantly less than, does not soak
Do not have the comparative example 1 of sizing agent, therefore, experiments have shown that the paper using the sizing agent such as embodiment 1-3 is obvious with higher anti-
It is aqueous；After embodiment 1-3 carries out the submergence of sizing agent, the tensile strength that anti-tensile tester measures paper, which does not submerge significantly greater than, to be applied
The comparative example 1 of jelly, therefore, experiments have shown that obviously surface with higher is strong for the paper of the use such as sizing agent of embodiment 1-3
Degree and compressive property.
When using above-described embodiment 1-3, TPU and raw material of the ditridecyl phthalate as sizing agent in preparation method increase
It is affixed by the adhesive ability of jelly, so that material paper not easily to fall off, to reach high waterproof；TPU, phenolic resin, styrene,
Ditridecyl phthalate collective effect, so that the cementitiousness of sizing agent improves, the film-formation result of paper is good, guarantees sizing agent tool
There is high surface strength while having waterproof performance, paper internal layer is not easy cataclasm, good-toughness；Add the tristearin of certain number
Alcohol, tetradecyl methylacrylate, the common mating reaction of diethylene glycol monolaurate make sizing agent have excellent compressive property
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (6)
1. high surface strength high waterproof sizing agent, it is characterised in that: including following weight ratio ingredient, TPU is 8-11 parts, phenolic aldehyde
Resin is 2-4 parts, styrene is 1-3 parts, ditridecyl phthalate is 7-14 parts, stearyl alcohol is 5-8 parts, methacrylic acid 14
Ester is 3-7 parts, diethylene glycol monolaurate is 4-6 parts, 145-170 parts of deionized water.
2. high surface strength high waterproof sizing agent, it is characterised in that: the TPU include '-diphenylmethane diisocyanate (MDI),
Toluene di-isocyanate(TDI) (TDI) and macromolecular polyol and the common reactive polymeric of chain extender form.
3. the preparation method of high surface strength high waterproof sizing agent, which comprises the steps of: such as claim 1
It is prepared by each component weight ratio range of the high surface strength high waterproof sizing agent,
S1 takes TPU, phenolic resin, styrene, ditridecyl phthalate to be in proportion added in reaction kettle, and temperature is controlled in 80-
100 DEG C, sufficient mechanical stirring is carried out, stirs 20-40min, is stirred to uniformly mixed；
S2 is taken stearyl alcohol, tetradecyl methylacrylate, deionized water in proportion, is sufficiently reacted, stirred using mechanical stirring
Mix 20-30min；
S3, takes diethylene glycol monolaurate in proportion, is sufficiently reacted using mechanical stirring, and 1-2h is stirred；
S4, the sizing agent for preparing completion are slowly cooled to room temperature.
4. the preparation method of high surface strength high waterproof sizing agent according to shown in claim 3, it is characterised in that: the system
The TPU being added during standby is 9 parts.
5. the preparation method of high surface strength high waterproof sizing agent according to shown in claim 3, it is characterised in that: the system
The ditridecyl phthalate being added during standby is 7 parts.
6. the preparation method of high surface strength high waterproof sizing agent according to shown in claim 3, it is characterised in that: the system
The stearyl alcohol being added during standby is 5 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910366228.5A CN110284363A (en) | 2019-05-05 | 2019-05-05 | High surface strength high waterproof sizing agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910366228.5A CN110284363A (en) | 2019-05-05 | 2019-05-05 | High surface strength high waterproof sizing agent and preparation method thereof |
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| CN110284363A true CN110284363A (en) | 2019-09-27 |
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| CN201910366228.5A Pending CN110284363A (en) | 2019-05-05 | 2019-05-05 | High surface strength high waterproof sizing agent and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030083427A1 (en) * | 2001-10-31 | 2003-05-01 | Dai-Ichi Kogyo Seiyaku Co., Ltd. | Composition for increasing wet strength of paper including water-soluble blocked urethane prepolymers |
| CN100418915C (en) * | 2003-06-19 | 2008-09-17 | 欧文斯康宁合成物有限公司 | Sizing composition for thermoplastic reinforcement |
| CN101805438A (en) * | 2010-04-13 | 2010-08-18 | 江苏工业学院 | Preparation method and applications of cationic waterborne polyurethane surface sizing agent |
| CN102852033A (en) * | 2011-06-27 | 2013-01-02 | 韩蕊繁 | Surface sizing agent for paper manufacture |
| CN103866627A (en) * | 2014-02-28 | 2014-06-18 | 苏州恒康新材料有限公司 | Polyurethane sizing agent and preparation method thereof |
| CN104045804A (en) * | 2014-05-30 | 2014-09-17 | 陕西科技大学 | Preparation method of aqueous light-curable polyurethane paper surface reinforcing agent |
-
2019
- 2019-05-05 CN CN201910366228.5A patent/CN110284363A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030083427A1 (en) * | 2001-10-31 | 2003-05-01 | Dai-Ichi Kogyo Seiyaku Co., Ltd. | Composition for increasing wet strength of paper including water-soluble blocked urethane prepolymers |
| CN100418915C (en) * | 2003-06-19 | 2008-09-17 | 欧文斯康宁合成物有限公司 | Sizing composition for thermoplastic reinforcement |
| CN101805438A (en) * | 2010-04-13 | 2010-08-18 | 江苏工业学院 | Preparation method and applications of cationic waterborne polyurethane surface sizing agent |
| CN102852033A (en) * | 2011-06-27 | 2013-01-02 | 韩蕊繁 | Surface sizing agent for paper manufacture |
| CN103866627A (en) * | 2014-02-28 | 2014-06-18 | 苏州恒康新材料有限公司 | Polyurethane sizing agent and preparation method thereof |
| CN104045804A (en) * | 2014-05-30 | 2014-09-17 | 陕西科技大学 | Preparation method of aqueous light-curable polyurethane paper surface reinforcing agent |
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Application publication date: 20190927 |
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